1package vfsgen 2 3import ( 4 "io" 5) 6 7// stringWriter writes given bytes to underlying io.Writer as a Go interpreted string literal value, 8// not including double quotes. It tracks the total number of bytes written. 9type stringWriter struct { 10 io.Writer 11 N int64 // Total bytes written. 12} 13 14func (sw *stringWriter) Write(p []byte) (n int, err error) { 15 const hex = "0123456789abcdef" 16 buf := []byte{'\\', 'x', 0, 0} 17 for _, b := range p { 18 buf[2], buf[3] = hex[b/16], hex[b%16] 19 _, err = sw.Writer.Write(buf) 20 if err != nil { 21 return n, err 22 } 23 n++ 24 sw.N++ 25 } 26 return n, nil 27} 28